Loans and Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Impaired and Restructured Loans with or with no related allowance recorded
Recorded Investment With no related allowance recorded	$ 961	$ 2,356
Unpaid Principal Balance With no related allowance recorded	972	2,729
Average Recorded Investment With no related allowance recorded	1,018	1,441
Interest Income Recognized With no related allowance recorded	15	39
Recorded Investment With an allowance recorded	5,924	5,931
Unpaid Principal Balance With an allowance recorded	7,000	6,522
Related Allowance	1,114	1,063
Average Recorded Investment With an allowance recorded	6,708	6,865
Interest Income Recognized With an allowance recorded	179	313
Recorded Investment	6,885	8,287
Unpaid Principal Balance	7,972	9,251
Average Recorded Investment	7,726	8,306
Interest Income Recognized	194	352
Agricultural [Member]
Impaired and Restructured Loans with or with no related allowance recorded
Recorded Investment With no related allowance recorded		452
Unpaid Principal Balance With no related allowance recorded		455
Average Recorded Investment With no related allowance recorded	90	204
Interest Income Recognized With no related allowance recorded		7
Average Recorded Investment With an allowance recorded	130	112
Interest Income Recognized With an allowance recorded		1
Recorded Investment		452
Unpaid Principal Balance		455
Average Recorded Investment	220	316
Interest Income Recognized		8
Commercial and Industrial [Member]
Impaired and Restructured Loans with or with no related allowance recorded
Recorded Investment With no related allowance recorded	38	229
Unpaid Principal Balance With no related allowance recorded	43	300
Average Recorded Investment With no related allowance recorded	81	85
Recorded Investment With an allowance recorded		547
Unpaid Principal Balance With an allowance recorded		554
Related Allowance		53
Average Recorded Investment With an allowance recorded	292	377
Interest Income Recognized With an allowance recorded	4	11
Recorded Investment	38	776
Unpaid Principal Balance	43	854
Average Recorded Investment	373	462
Interest Income Recognized	4	11
Consumer [Member]
Impaired and Restructured Loans with or with no related allowance recorded
Recorded Investment With no related allowance recorded	8	2
Unpaid Principal Balance With no related allowance recorded	8	3
Average Recorded Investment With no related allowance recorded	3	3
Recorded Investment With an allowance recorded	28	35
Unpaid Principal Balance With an allowance recorded	28	35
Related Allowance	4	3
Average Recorded Investment With an allowance recorded	31	43
Interest Income Recognized With an allowance recorded	3	3
Recorded Investment	36	37
Unpaid Principal Balance	36	38
Average Recorded Investment	34	46
Interest Income Recognized	3	3
Commercial Real Estate [Member]
Impaired and Restructured Loans with or with no related allowance recorded
Recorded Investment With no related allowance recorded	413	782
Unpaid Principal Balance With no related allowance recorded	419	843
Average Recorded Investment With no related allowance recorded	352	693
Interest Income Recognized With no related allowance recorded	6	25
Recorded Investment With an allowance recorded	3,440	3,413
Unpaid Principal Balance With an allowance recorded	4,498	3,997
Related Allowance	745	699
Average Recorded Investment With an allowance recorded	3,932	4,126
Interest Income Recognized With an allowance recorded	81	217
Recorded Investment	3,853	4,195
Unpaid Principal Balance	4,917	4,840
Average Recorded Investment	4,284	4,819
Interest Income Recognized	87	242
Residential Real Estate [Member]
Impaired and Restructured Loans with or with no related allowance recorded
Recorded Investment With no related allowance recorded	502	891
Unpaid Principal Balance With no related allowance recorded	502	1,128
Average Recorded Investment With no related allowance recorded	492	456
Interest Income Recognized With no related allowance recorded	9	7
Recorded Investment With an allowance recorded	2,456	1,936
Unpaid Principal Balance With an allowance recorded	2,474	1,936
Related Allowance	365	308
Average Recorded Investment With an allowance recorded	2,323	2,207
Interest Income Recognized With an allowance recorded	91	81
Recorded Investment	2,958	2,827
Unpaid Principal Balance	2,976	3,064
Average Recorded Investment	2,815	2,663
Interest Income Recognized	$ 100	$ 88

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5258-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524

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